Tables of the Specific Gravities of different bodies.

§ 1. Metallic Substances.

GOLD.

Pure gold of 24 carats melted but not hammered19.2581
The same hammered19.3617
Gold of the Parisian standard, 22 carats fine, not hammered(A)17.4863
The same hammered17.5894
Gold of the standard of French coin, 21-22/32 carats fine, not hammered17.4022
The same coined17.6474
Gold of the French trinket standard, 20 carats fine, not hammered15.7090
The same hammered15.7746

[Note A: The same with Sterling.]

SILVER.

Pure or virgin silver, 24 deniers, not hammered10.4743
The same hammered10.5107
Silver of the Paris standard, 11 deniers 10 grains fine, not hammered(B)10.1752
The same hammered10.3765
Silver, standard of French coin, 10 deniers 21 grains fine, not hammered10.0476
The same coined10.4077

[Note B: This is 10 grs. finer than Sterling.]

PLATINA.

Crude platina in grains15.6017
The same, after being treated with muriatic acid16.7521
Purified platina, not hammered19.5000
The same hammered20.3366
The same drawn into wire21.0417
The same passed through rollers22.0690